Legally there is no comparision. Apartheid is based on racial supremacy. Race is immutable or unchageable. It is fixed. Religion is mutable. A jew can become a buddhist, catholic. Look at jewish history, i.e the inquisition. This analogoly that Israel is an Apartheid Stae is legally misguided by some of those who respect the so called "elite international lawyers". Irrespective, it is not a legally sound principle and serioiusly misguided.
U.S., allies stage 20 strikes against Islamic State in Iraq (Reuters)
from the article: Israel's apartheid is worse than South Africa's